Home / 215,729.12-323,523.24-71,596.22

Finding the Fourth Proportional to 215,729.12, 323,523.24 and 71,596.22

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Solution

The fourth proportional to 215,729.12, 323,523.24 and 71,596.22 is: 107,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,729.12 : 323,523.24 = 71,596.22 : x
  2. Step 2: Convert to fraction form
    215,729.12/323,523.24 = 71,596.22/x
  3. Step 3: Cross multiply
    215,729.12x = 323,523.24 × 71,596.22
  4. Step 4: Simplify right side
    215,729.12x = 23,163,039,448.54
  5. Step 5: Solve for x
    x = 23,163,039,448.54/215,729.12
  6. Step 6: Final answer
    x = 107,370.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.